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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-02-21 18:51:48 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-02-21 18:51:48 +0000 |
| commit | b1ce7b132497e0c05d2201f75d43d0f803ba7f88 (patch) | |
| tree | e863743321ba3d0f39365b486f049ae0d5e95c94 /lib | |
| parent | 455080ff100c9383bc2619ae8ad86a02f61c3b00 (diff) | |
| download | external_llvm-b1ce7b132497e0c05d2201f75d43d0f803ba7f88.zip external_llvm-b1ce7b132497e0c05d2201f75d43d0f803ba7f88.tar.gz external_llvm-b1ce7b132497e0c05d2201f75d43d0f803ba7f88.tar.bz2 | |
Enable assertion to detect cyclic valno references.
This changes the stack overflow in PR6363 to an assertion failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96744 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index e7b0cff..dcbbb1a 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -1864,7 +1864,7 @@ static unsigned ComputeUltimateVN(VNInfo *VNI, // If the VN has already been computed, just return it. if (ThisValNoAssignments[VN] >= 0) return ThisValNoAssignments[VN]; -// assert(ThisValNoAssignments[VN] != -2 && "Cyclic case?"); + assert(ThisValNoAssignments[VN] != -2 && "Cyclic value numbers"); // If this val is not a copy from the other val, then it must be a new value // number in the destination. |